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<p>celestial medium through which light propagated. Additionally, the concept informed <a href="page.php?w=Isaac_Newton">Isaac Newton</a>'s explanations of both <a href="page.php?w=refraction">refraction</a> and of radiant heat. 19th century experiments into this <a href="page.php?w=luminiferous_aether">luminiferous aether</a> attempted to detect a minute drag on the Earth's orbit. While the Earth does, in fact, move through a relatively dense medium in comparison to that of interstellar space, the drag is so minuscule that it could not be detected.</p><p>
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